public class Example04 {
    public static void main(String[] args) {
        int x= 12;                                     //定义变量x
        {
            int y = 96;                                 //定义变量y
            System.out.println("x is" + x);            //访问变量x
            System.out.println("y is" +y );
        }
//        y = x;                                      //访问变量x,为变量y赋值
        System.out.println("x is" +x);             //访问变量x
    }
}
